求思路。关于添加视频链接以及缩略图的有关问题-PHP Tutorial-php.cn

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求思路。关于添加视频链接以及缩略图的有关问题

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Jun 13, 2016 am 11:27 AM

nbspphpswfupdate

求思路。。关于添加视频链接以及缩略图的问题
如题，是添加视频的swf地址，标题，视频缩略图等信息，可以同时添加多条关联的视频信息，
点击添加关联视频的话，是多出来一条输入标题，swf以及缩略图的输入框。
现在的问题是，添加的时候我能够实现，但是编辑的话，我怎么在这个页面判断哪条的信息发生了变化，单独更新这条记录呢。特别是缩略图信息，就是新选择了缩略图，更新缩略图，没选的话，保持原来的图片不变呢

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